In the life cycle of Echinococcus granulosus, humans are best classified as which type of host?
Correct answer: D. Accidental intermediate host
- A. Maintenance reservoir host
- B. Natural definitive host
- C. Biological vector host
- D. Accidental intermediate host
Explanation
Humans become accidental intermediate hosts when they ingest Echinococcus eggs and develop hydatid cysts. Dogs are the usual definitive hosts because adult tapeworms mature in their intestines.
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Veterinary public health examines how animal health affects human health through zoonotic diseases, food safety, environmental sanitation and population disease control. Coverage includes rabies, brucellosis, tuberculosis, anthrax, avian influenza and parasitic infections, along with their reservoirs, routes of transmission, surveillance, vaccination, quarantine and prevention under the One Health approach.
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